December weather forecastMechanicville, NY
December
Weather in December
The first month of the winter, December, is also a wintry month in Mechanicville, New York, with an average temperature ranging between max 34.3°F (1.3°C) and min 24.8°F (-4°C).Temperature
The onset of December results in a decrease in the average high-temperature, receding from a frosty 45.3°F (7.4°C) in November to a wintry 34.3°F (1.3°C). Mechanicville observes an average nighttime temperature of 24.8°F (-4°C) during December.Humidity
The average relative humidity in December is 81%.Rainfall
In December, the rain falls for 11 days. Throughout December, 2.76" (70mm) of precipitation is accumulated. In Mechanicville, New York, during the entire year, the rain falls for 153.2 days and collects up to 30.12" (765mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Mechanicville, in December, during 8.2 snowfall days, 5.51" (140mm) of snow is typically accumulated. Throughout the year, there are 49.1 snowfall days, and 28.74" (730mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:06 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:30 pm EST.
Sunshine
The average sunshine in December is 4.3h.UV index
The months with the lowest UV index in Mechanicville are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mechanicville, NY
- Average high temperature in December: 34.3°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in December: 24.8°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Mechanicville, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Mechanicville, NY
- Average wind speed in December: 7.3mph
The windiest months (with the highest average wind speed) are January and April (7.7mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Mechanicville, NY
- Average humidity in December: 81%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Mechanicville, NY
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is October (3.07").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Mechanicville, NY
- Average rainfall days in December: 11 days
The months with the highest number of rainy days are April and May (16.1 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in December
Mechanicville, NY
- Average snowfall in December: 5.51"
The month with the highest snowfall is January (8.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mechanicville, NY
- Average snowfall days in December: 8.2 days
The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mechanicville, NY
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in December
Mechanicville, NY
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in December
Mechanicville, NY
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Mechanicville, NY
- Average cloud cover in December: 54
The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Mechanicville, NY
- Average visibility in December: 6mi
The months with the highest visibility are April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, March, August and September (5mi).
